Isn't this the natural order of how things go in tech? You burn millions or billions of dollars acquiring market share, then start pumping your customers for cash until they leave, or if you've done it right they can't leave.
I'm still waiting for CloudFlare to become a $5/month subscription for my personal sites.
Alternatively, the more sites use Cloudflare the less peering ISPs will have to non-Cloudflare destinations. Eventually it could be that you need to be behind Cloudflare if you want any chance for your website to be reachable with reasonable bandwidth.
I'm still waiting for CloudFlare to become a $5/month subscription for my personal sites.